关于lua脚本的疑问 about syj-ratelimit HOT 4 CLOSED

    @Bean
    @ConditionalOnMissingBean
    public StringRedisSerializer stringRedisSerializer() {
        return new StringRedisSerializer();
    }

    private RedisScript<String> redisScript;

    public RedisRateLimiterCounterImpl(RedisScript<String> redisScript){
        this.redisScript=redisScript;
    }

local key = KEYS[1];
local limit = tonumber(ARGV[1]);
local step = tonumber(ARGV[2]);
local interval = tonumber(ARGV[3]);
local nowTime = tonumber(ARGV[4]);

local lastClearTimeKey='syj-rateLimiter-lastClearTime'..'{'..key..'}'
 ......
return '1';

    @Override
    public void consume(String key, long limit, long refreshInterval, long tokenBucketStepNum, long tokenBucketTimeInterval) {
        List<Object> keyList = Arrays.asList(key);
        Object[] argv = {String.valueOf(limit), String.valueOf(tokenBucketStepNum),
                String.valueOf(tokenBucketTimeInterval), String.valueOf(Instant.now().getEpochSecond())};
        String result = (String) redisTemplate.execute(redisScript, stringRedisSerializer, stringRedisSerializer, keyList, argv);
        if(Const.REDIS_ERROR.equals(result)){
            throw new RateLimitException(RateLimitErrorEnum.TOO_MANY_REQUESTS);
        }
    }